MERCEDES-BENZ C CLASS 2021 Manual Online

Con
venience closing (closing theve hicl e
fr om outside ) &
WARNIN GRisk ofentr apment dueto not
pa ying attenti onduring con venie nce
clo sing
Whe nth econ venie nce closing featur eis
oper ating,par tsof thebody could become
tr apped intheclosing area oftheside win‐
do wand thesliding sunroof. #
When thecon venie nce closing featur e
is operatin g,mon itor theent ire closing
pr ocess andmakesur eth at no body
par tsarein theclosing area. #
Press and hold theß buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isloc ked.
R The side windo wsareclo sed.
R The slidin gsun roof isclosed.
R The panor amicsliding roof isclosed. #
Tointerru pt con venience closing: release
th eß button. #
Toclose thero ller sunblind s:press and
hold theß buttonagain.
% Con venie nce closing also func tions with
KEYLESS- GO(/ page68). Re
sol ving problems withtheside windo ws &
WARNIN GRisk ofbeco ming trap ped or
fa ta lly injured ifre ve rsing protect ion is
no tactiv ated
If yo uclo seaside windowagain imm ediat ely
af te rit has been blocked, theside windo w
will close withincr eased ormaximum forc e.
The reve rsing func tion isthen notactiv eand
body partsma ybecome trapped. #
Mak esur eth at no par tsof thebody are
in theclosing area. #
Tostop theclosing process, release the
butt onorpress thebutt onagain to
re open theside windo w. A
sid ewind owcann otbe closed andyoucan‐
no tsee thecaus e. #
Chec kto see whether anyobjec tsarein the
windo wguide. #
Adjus tth eside windo ws.
Ad jus tingthe side windo ws
If aside windo wisobs truct eddur ing closing and
re opens again immediat ely: #
Immediat elyaf te rth is, pull and hold thecor‐
re sponding buttonagain until theside win‐
do whas closed andhold thebutt onforat
lea stone moresecond (re-adjus tment).
The side windo wwill beclosed without the
aut omat icreve rsing func tion.
If th eside windo wisobs truct edagain and
re opens again immediat ely: #
Immediat elyaf te rth is, pull and hold thecor‐
re sponding buttonagain until theside win‐
do whas closed andhold thebutt onforat Opening
andclosi ng 79

leas
tone moreseco nd(follo w-up adjust‐
men t).
The side windowwill beclos edwithout the
aut omat icreve rsing func tion.
Th eside windo wscann otbe opened or
closed usingthecon venience opening fea‐
tur e.
Po ssible cause:
R The Smar tKey batt eryis we ak ordisc harged. #
Chec kth ebatt eryusing theindicat orlam p
(/ page64 ). #
Replace theSmar tKey batt ery, ifnec essar y
(/ page66). Slidin
gsunr oof Opening
andclosing theslidi ngsunr oof %
The term "slidin gsun roof" also refers to the
panor amaroof wit hpo we rtilt/sli dingpanel . &
WARNIN GRisk ofbeco ming trap ped
whe nth esliding sunroofisbeing opened
and closed
Body partsma ybecome trapped inthera ng e
of mo vement. #
Dur ing opening andclosing, makesur e
th at no body partsarein thera ng eof
mo vement. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing automatic operation.
The opening orclosing process willbe
st opped. &
WARNIN GRisk ofbeco ming trap ped if
th esliding sunroofisoper ated bychil‐
dr en
Childr enoper atingth esliding sunroofcould
get caught inthemo ving parts,par ticular lyif
unatt ended. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. &
WARNIN GRisk ofbeco ming trap ped
whe nth ero ller sunblin dis being opened
and closed
Body partsma ybecom etrapped between
th ero ller sunblin dand frame orslidin gro of. #
When opening orclosing, makesur e
th at no body partsarein thero ller sun‐
blind' sra ng eof mo vement. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing automatic operation.
The opening orclosing process willbe
st opped. 80
Opening andclosing

*
NO
TEMalfunctio ndu eto sno wand ice Sno
wand icemaycause thesliding sunroof
to malfu nction. #
Open thesliding sunroofonlyif it is free
of sno wand ice. *
NO
TEDama gecau sed byprotru ding
objec ts Objec
tsthat protru de from thesliding sun‐
ro of ma ydamag eth esealing strips. #
Donotallo wan ything toprotru de from
th esliding sunroof. *
NO
TEImpo rtant poin tsto remember
when aro of lugg agera ck isins talled When
aro of lugg agera ck isins talled, raising
or open ingthesliding sunroofmaybe limi‐
te d. #
Chec kwhe ther thesliding sunroofcan
be raised oropen edwhen aro of lug‐
ga ge rack isins talled. #
Ifin doubt, donotra ise oropen the
sliding sunroof. 1
Toraise
2 Toopen
3 Toclos e/lowe r Use
the0057 buttontooper ateth epanor ama
ro of wit hpo we rtilt/sli dingpanel andthero ller
sunblin d.
The panorama roof wit hpo we rtilt/sli dingpanel
can beoper ated only when thero ller sunblin dis
open . #
Chec kwhe ther thesliding sunroofcan be
ra ised oropen edwhen aro of lugg agera ck is
ins talled. #
Tostar taut omatic operation :pr ess the
0057 buttonbeyond thepoint ofresis tance
or pulland release it. #
Tointerru pt aut omatic operation :br ief ly
pr ess the0057 buttoninanydir ect ion.
The opening /closingpr ocess willbestop‐
ped.
Ve hicl eswith apanor amaroof wit hpo we r
til t/s lidin gpane l:The automatic raising featur e
is available onlywh en thesliding sunroofis
closed orraised.
Ve hicl eswithout apanor amaroof wit h
po we rtil t/s lidin gpane l:The automatic open‐ Opening
andclosing 81

ing
and raising featur esareav ailable onlywh en
th esliding sunroofisclosed.
Au tomatic reve rsing funct ionoftheslidi ng
sunr oof
If an obs tacle obs tructs thesliding sunroofdur‐
ing theclosing process, thesliding sunroofwill
open again automaticall y.The automatic reve rs‐
ing func tion isonl yan aid and isno ta subs titute
fo ryo ur att entiven ess . #
Dur ing theclosing process, makesur eth at
no body partsarein theclosing area. &
WARNIN GRisk ofbeco ming trap ped
des pite there ve rsing func tion being
act ive
In par ticular ,th ere ve rsing func tion does not
re act :
R Tosof t,light andthin obje cts, e.g. fin‐
ge rs.
R Towa rdsth eend oftheclosing proce‐
dur e.
R Dur ing rese ttin g. #
Dur ing theclosing process, makesur e
th at no body partsarein theclosing
ar ea. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing automatic operation.
The closing process willbestopped. Au
tomatic reve rsing funct ionofthero ller
sunblind
If an obs tacle obs tructs thero ller sunblin ddur‐
ing theclosing process, thero ller sunblin dwill
open again automat ically.The automatic reve rs‐
ing func tion isonl yan aid and isno ta subs titute
fo ryo ur att entiven ess . #
When closingth ero ller sunblin d,mak esur e
th at no body partsarein thera ng eof mo ve‐
ment. &
WARNIN GRisk ofbeco ming trap ped
des pite reve rsing func tion
In par ticular ,th ere ve rsing func tion does not
re act tosof t,light andthin obje cts, e.g. fin‐
ge rs. #
When closing thero ller sunblin d,mak e
sur eth at no body partsarein thera ng e
of mo vement. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing theaut omatic closing process.
The closing process willbestopped. Au
tomatic functionsof the slidi ng sun roof %
The term "slidin gsun roof" also refers to the
panor amaroof wit hpo we rtilt/sli dingpanel .
Ra inclosing functionwhen driving
Ve hicl eswith apanor amaroof wit hpo we r
til t/s lidin gpane l:If it star ts to rain, thera ised 82
Openingand closing

sliding
sunroofwill automaticall ybe lowe red
while theve hicle isin mo tion.
Au tomatic lowe ring function
Ve hicl eswith apanor amaroof wit hpo we r
til t/s lidin gpane l:If th esliding sunroofisraised
at there ar,it will automat icallybe lowe red
slightly athigher speeds. Atlow speeds, itwill
be raised again automat ically. &
WARNIN GRisk ofbeco ming trap ped by
aut omat iclowe ring ofthesliding sunroof
At higher speeds, thera ised sliding sunroof
will automat icallybe lowe redslightl yat the
re ar. #
Mak esur eth at nobody reac hes intoth e
sliding sunroof's rang eof mo vement
whil eth eve hicle isin mo tion. #
Ifsomebody becomestrapped, brief ly
push thesliding sunroofbutt onfor‐
wa rdsor bac kwards. %
Bypushing orpull ing the0057 button,you
can interru pt theaut omatic functions:"Rain closing
function when driving" and"Auto‐
matic lowe ring" . Re
ctif ying problem swit hth eslidi ngsunr oof &
WARNIN GRisk ofbeco ming trap ped or
fa ta linj uries when thesliding sunroofis
closed again
If th esliding sunroofisclosed again immedi‐
at ely afte rit has been blockedor rese t,itwill
close withincr eased forc e. #
Mak esur eth at no par tsof thebody are
in theclosing area. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing theaut omatic closing process.
The closing process willbestopped. The
sliding sunroofcanno tbe closed andyou
cann otsee thecaus e.
% The term "slidin gsun roof" also refers to the
panor amaroof wit hpo we rtilt/sli dingpanel .
If th esliding sunroofisobs truct eddur ing closing
and reopens again slightl y: #
Immediat elyaf te rau tomatic reve rsing, pull
and hold the0057 buttondown again tothe
point ofresis tance untilth esliding sunroofis
closed.
The sliding sunroofwill beclosed with
incr eased forc e.
If th esliding sunroofisobs truct edagain and
opens again slightl y: #
Repeat thepr ev ious step.
The sliding sunroofwill beclosed again with
incr eased forc e.
Ve hicl eswithout apanor amaroof wit h
po we rtil t/s lidin gpane l:The slidi ng sun roof
is no toper ating smoo thly. #
Resetth esliding sunroof.
Re setting theslidi ngsunr oof Open
ingand closing 83

#
Push the0057 buttonuptothepoint of
re sis tance repeat edlyuntil thesliding sun‐
ro of isfully open. #
Press the0057 buttonforano ther secon d. #
Close thesliding sunroof.
Ve hicl eswith apanor amaroof wit hpo we r
til t/s lidin gpane l:The slidi ng sun roof or the
ro ller sunblind isno toper ating smoo thly. #
Resetth esliding sunroofand thero ller sun‐
blind.
Re setting theslidi ngsunr oofand thero ller
sunblind #
Pull and hold the0057 buttonlittle bylittle
unt ilth esliding sunroofisfully closed. #
Pull and hold the0057 buttonlittle bylittle
unt ilth ero ller sunblin dis full yclos ed. #
Use automat icopera tiontofully open and
th en close thesliding sunroof. Ro
ller sun blinds Ext
ending there ar side windo wroller sun‐
blinds *
NO
TEDama getotheiner tiareel due to
it snapp ingback If
sudden lysnappe dbac k,theiner tiareel
ma ybe damag ed. #
Alw aysmo vethero ller sun blind by
hand. #
Donotdr ive wit hth ero ller sun blind
hook edinand side windo wsopened at
th esame time. #
Pull thero ller sunblin dout bytab1 and
hook itont obr ac kets 2 attheto pof the
windo w. 84
Opening andclosing

Ext
endin gor retracti ngthe rear-wi ndo w
ro ller sunblind &
WARNIN GRisk ofbeco ming trap ped
whe nex tendi ng orretracti ngthero ller
sunblin d
Body partsma ybecom etrapped inthero ller
sunblin d'srang eof mo vement. #
Ensur eth er ear eno body partsinthe
ra ng eof mo vement. #
Ifsomeone becomestrapp ed,brief ly
pr ess thebutt onagain.
The opening orclosing process will
br ief lybe stopped. Theroller sunblin d
will then retur nto its star tin gposit ion. *
NO
TEDama gecau sed byobject s Object
sma ycause thero ller sunblin dto mal‐
function. #
Donotst or ean yobject son thepar cel
shelf. #
Mak esur eth at thero ller sunblin dcan
mo vefreely . #
Toextend orretract: press button 1. An
ti-thef tpr otection Fu
nction oftheimm obiliz er The
immo bilizerpreve nts your vehicle from being
st ar tedwit hout thecor rect Smar tKey . The
immobilizer isaut omaticall yactiv ated when
th eignition isswitc hedoffand deactiv ated when
th eignition isswitc hedon.
When leaving theve hicle, alwaysta ke theSmar t‐
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eengine ifava lid Smar tKey has been left
inside theve hicle.
% Intheeve nttheengine cannotbe star ted
(y et theve hicle ’sbatt eryis ch arge d), the
sy stem isno toper ational. Contactan
aut hor ized Mercedes- BenzCenteror call
1-8 00-FOR-MER Cedes (intheUS A)or
1-8 00-387-0 100(in Canada). ATA
(anti-thef tala rm system) Fu
nction oftheATA system
If th eATA system isarmed, avisual andaudible
alar mistrigg ered inthefo llo wing situat ions:
R When adoor isopen ed
R When thetrunk lidisopened
R When thehood isopened
R When theint erior motion sensor istrigg ered
(/ page87 ) Opening
andclosing 85

R
When theto w- aw ay alar mistrigg ered
(/ page86 )
The ATA system isarmed automaticall yaf te r
appr oximat elyte nseco ndsinthefo llo wing situa‐
tion s:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omaticall yin
th efo llo wing situat ions:
R Afterunloc kingtheve hicle withth eSmar t‐
Ke y
R Afterunloc kingtheve hicle using KEYLES S-
GO
R Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestor ag ecom partmen t
(/ page13 3)
% WhentheMer cedes‑ Benzemergency call
sy stem isactiv eand thealar mstay son for
mor eth an 30 sec onds, ames sageis aut o‐
mat icall ysen tto theCus tomer Assis tance
Ce nter (/ page 277).
% Inthecase ofsevere batt erydisc harging,
th eanti- theftalar msystem isaut omaticall y
deactiv ated tofacil itat eth ene xt engine
st ar t.
Deact ivat ing theATA #
Press theÜ, ßor008B buttononthe
Smar tKey . or #
Press thest ar t/ stop butt onwithth eSmar t‐
Ke yin thestow agecom partment
(/ page13 3)
De activ ating theala rm using KEYLESS-GO #
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Fu
nction oftheto w- aw ay alar m %
This function mayno tbe available inall
coun tries.
An audible andvisual alarmistrigg ered ifan
alt eratio nto your vehicle's angleof inclination is
de tected whi letheto w- aw ay alar misarmed.
The tow- aw ay alar misaut omat icallyar med afte r
appr oximat ely60 seco nds:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO
The tow- aw ay alar mison lyarmed when thefo l‐
lo wing compone ntsar eclos ed:
R Doo rs 86
Openin gand closing

R
Trunk lid
The tow- aw ay alar misaut omat icallydeac tiva‐
te d:
R Afterpr essing theÜ or008B buttonon
th eSmar tKey
R Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestor ag ecom partmen t
(/ page13 3)
R Afterunloc kingtheve hicle using KEYLES S-
GO
R When usingHAND S-FREE ACCES S
In fo rm atio non collision detection onapa rked
ve hicle (/page15 6). Ar
min g/dis armin gthe tow- aw ay alar m Mul
timedi asy stem:
4 Vehicle 5
î Vehicle Setting s
5 Tow-away Protection #
Activate0073 ordeacti vate 0053 thefunc tion. The
tow- aw ay alar misarmed again inthefo llo w‐
ing cases :
R The vehicle isunloc kedag ain.
R Adoor isopened.
R The vehicle isloc kedag ain. Fu
nction oftheint erior motion sensor %
This function mayno tbe available inall
coun tries.
When theint erior motion sensor isarmed, avis‐
ual and audible alarmistrigg ered ifmo vement is
de tected intheve hicle interior .
The interior motion sensor isarmed automati‐
cally afte rapp roxima tely tenseco nds:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO
The interior motion sensor isonl yar med when
th efo llo wing compone ntsar eclos ed:
R Doo rs
R Trunk lid The
interior motionsen sor isaut omat icallydeac ‐
tiv ated:
R Afterpr essing theÜ or008B buttonon
th eSmar tKey
R Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestor ag ecom partmen t
(/ page13 3)
R Afterunloc kingtheve hicle using KEYLES S-
GO
R When usingHAND S-FREE ACCES S
The follo wing situat ionscanlead toafa lse
alar m:
R Movingobje ctssuc has masc otsin theve hi‐
cle interior
R When theside windo wisopen
R When thesliding sunroofisopen
R When thepanor amicsliding sunroofisopen Openin
gand closing 87

Ac
tiv atin g/deac tivatin gthe inte rior mo tion
sensor Mult
imedia system:
4 Vehicle 5
î Vehicle Setting s
5 Interior Motion Sensor #
Activate0073 ordeacti vate 0053 thefunc tion.
The interior motion sensor isactiv ated again in
th efo llo wing cases :
R The vehicle isunloc kedag ain.
R Adoor isopened.
R The vehicle isloc kedag ain. 88
Openin gand closin g